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Table 2 Item analysis results for all items (n = 654)

From: Development and validation of the Health Education Adherence Scale for Stroke Patients: a cross-sectional study

Domains/Items Indicator 1: CR ≥ 3.0 Indicator 2: Item-total correlation ≥ 0.40 Cronbach’s α Indicator 5: Item factor loadings on their own domians ≥ 0.45 Number of unqualified indicators Item selection
Indicator 3: Corrected item-total correlation ≥ 0.40 Indicator 4: Cronbach’s α if item deleted ≤ 0.925
Diet Adherence
 A1. I can adhere to the nurses’ health education to control the type of eating according to my swallowing condition (e.g., paste diet, liquid diet, semi-liquid diet) 8.993 0.330 0.286 0.925 0.306 3 Removed
 A2. I can adhere to the nurses’ health education to carry out simple swallowing training before eating (stretching the head and neck forward and turning the head to the healthy side) 10.251 0.380 0.333 0.924 0.354 3 Removed
 A3. I can adhere to the nurses’ health education to pay attention to my eating method 13.052 0.501 0.466 0.923 0.503 0 Selected
 A4. I can adhere to the nurses’ health education to control my daily salt intake within 6 g (size of a beer cap) 13.465 0.528 0.494 0.923 0.540 0 Selected
 A5. I can adhere to the nurses’ health education to eat a low-oil diet (no fried foods; the daily oil consumption is 30 g: the amount of oil held by a porcelain spoon) 13.672 0.530 0.497 0.923 0.547 0 Selected
 A6. I can adhere to the nurses’ health education to eat low-cholesterol foods (excluding animal internal organs, fried foods) 14.304 0.537 0.503 0.922 0.553 0 Selected
 A7. I can adhere to the nurses’ health education to actively learn the dietary content (such as low-salt, low-fat diet content) 13.343 0.526 0.489 0.923 0.530 0 Selected
 A8. I can adhere to the nurses’ health education to control the amount of food I eat 13.421 0.501 0.456 0.923 0.497 0 Selected
Medication Adherence
 B1. I can adhere to the nurses’ health education to take my medicine regularly as prescribed 12.334 0.538 0.500 0.922 0.541 0 Selected
 B2. I can adhere to the nurses’ health education to take the appropriate dose 12.553 0.547 0.510 0.922 0.552 0 Selected
 B3. I can adhere to the nurses’ health education to take the medicine on time 13.729 0.577 0.541 0.922 0.581 0 Selected
 B4. I can adhere to the nurses’ health education to not change the medicine-taking method 13.374 0.564 0.527 0.922 0.567 0 Selected
 B5. I can adhere to the nurses’ health education to follow the prescription and not change the type of drug 13.205 0.514 0.465 0.923 0.508 0 Selected
 B6. I can adhere to the nurses’ health education to pay attention to any adverse reactions after taking the medicine 14.484 0.548 0.502 0.922 0.535 0 Selected
 B7. I can adhere to the nurses’ health education to follow the ASA (hypertensive drug—lipid-lowering drug—anticoagulant drug) drug treatment strategy 16.221 0.563 0.520 0.922 0.558 0 Selected
 B8. I can adhere to the nurses’ health education to pay attention to my blood pressure when taking medicine 18.661 0.631 0.593 0.921 0.640 0 Selected
Rehabilitation Exercise Adherence
 C1. I can adhere to the nurses’ health education to exercise on time every day 20.216 0.639 0.605 0.921 0.660 0 Selected
 C2. I can adhere to the nurses’ health education to do early postural adjustments every day 21.221 0.657 0.624 0.921 0.678 0 Selected
 C3. I can adhere to the nurses’ health education to stop the rehabilitation exercise when I feel uncomfortable 22.954 0.681 0.649 0.921 0.698 0 Selected
 C4. I can adhere to the nurses’ health education to not stop the rehabilitation exercise program casually 18.064 0.619 0.582 0.921 0.636 0 Selected
 C5. I can adhere to the nurses’ health education to practice good limb positioning (passive training 2 times a day, 20 min at a time) 20.627 0.638 0.603 0.921 0.653 0 Selected
 C6. I can adhere to the nurses’ health education to practice simple vocal exercises according to the clinical education guidance 20.738 0.627 0.590 0.921 0.632 0 Selected
 C7. I can adhere to the nurses’ health education to practice orientation training (regarding place, time) 16.394 0.556 0.511 0.922 0.5553 0 Selected
Healthy Lifestyle Adherence
 D1. I can adhere to the nurses’ health education to change my lifestyle after I get sick 12.308 0.488 0.442 0.923 0.479 0 Selected
 D2. I can adhere to the nurses’ health education to stop bad habits (such as smoking, drinking) 10.240 0.421 0.374 0.924 0.406 2 Selected
 D3. I can adhere to the nurses’ health education to do rehabilitation exercises in the community or hospital on time 9.063 0.401 0.350 0.924 0.374 2 Selected
 D4. I can adhere to the nurses’ health education to master stroke-related risk factors (such as hypertension, diabetes, hyperlipidemia) 14.448 0.534 0.491 0.923 0.522 0 Selected
 D5. I can adhere to the nurses’ health education to do physical activity every day for at least 5 days a week, 30–45 min at a time 15.248 0.563 0.523 0.922 0.564 0 Selected
 D6. I can adhere to the nurses’ health education to adhere to good life habits 12.880 0.506 0.464 0.923 0.498 0 Selected
 D7. I can adhere to the nurses’ health education to control my emotions 13.863 0.514 0.469 0.923 0.503 0 Selected
 D8. I can adhere to the nurses’ health education to follow up once every two weeks 13.403 0.498 0.453 0.923 0.489 0 Selected
 D9. I can adhere to the nurses’ health education to control my blood pressure below 130/80 mmHg (for those with diabetes or hyperlipidemia) or to control my blood pressure at 140/90 mmHg (for those with a history of hypertension) 15.176 0.536 0.494 0.922 0.530 0 Selected
 D10. I can adhere to the nurses’ health education to regularly monitor my glycated hemoglobin 12.809 0.513 0.469 0.923 0.501 0 Selected
 D11. I can adhere to the nurses’ health education to control my waist circumference 14.642 0.528 0.487 0.923 0.524 0 Selected